9分之5加4分之3减2分之1=?

2025-02-27 09:06:47
推荐回答(1个)
回答1:

5/9+3/4-1/2
=5/9+(3/4-1/2)
=5/9+(3/4-2/4)
=5/9+1/4
=20/36+9/36
=29/36